A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Replace the question mark with the correct number in below Picture:

Can you find out the number that should replace the question mark with a valid reason?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

What goes through cities and fields, but never moves?

Do You See It?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?